The Best Window Cleaning Services in Illinois
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 10,014 Google reviews of 38 top-rated window cleaning services nationwide; 10 of them in Illinois. Updated October 25, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Best window cleaning services in Illinois for window installation
Clear ✕Job match = this company’s ★ on reviews Google tagged “Window installation” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about window installation
We had our kitchen windows replaced. It was quick and the new windows are beautiful. Our kitchen is so much brighter with all the natural light the new windows let in.
Juan's crew did an excellent job of installing the windows and the clean up. They were late but was not their fault at all. Got done with the job pretty quick imo. Very friendly and professional
The staff was very kind. Always cleaned up their mess. They were very good about making sure they were quick to replace the windows so my cold air didn’t escape. Did a great job. Highly recommend.
The service was excellent! I was notified of the time they would arrive, and it was exactly that time. They began work immediately and were super professional. If we had a question, they would answer in a manner we understood. Excellent service and windows are doing great! No leaks, easy operation, and holding…
Fabulous Excellent I didn't even have to be there Thats what comfort means to me.
Based on other bids, price was competitive. Installation was fast and neat. Installers did a good job cleaning up after themselves.
Overall ratings
Experts Score 0–100 and a letter grade per factor (A = top 20% of window cleaning services).
| # | Company | Grade | Satis · Relia · Craft · Value · Momen · Track · Accou | ★ | Typical bill |
|---|---|---|---|---|---|
| 1 | B 69 | ABCACCD | 5.00 | — | |
| 2 | B 61 | ABDBBDD | 4.99 | — | |
| 3 | C 57 | BCBCCDD | 5.00 | — | |
| 4 | C 48 | DAFDABB | 4.93 | — | |
| 5 | C 43 | DCBCFBD | 4.99 | — | |
| 6 | C 40 | DAFFACA | 4.92 | — | |
| 7 | C 40 | DCBDAFF | 4.93 | — | |
| 8 | D 34 | DBFFAFB | 4.91 | $149 | |
| 9 | D 29 | FFCDFAA | 4.89 | — | |
| 10 | F 9 | FFFFDBF | 4.68 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low | Typical | High | Fair |
|---|---|---|---|---|
| Standard cleaning | $137 | $170 | $196 | 96% |
| Deep clean | $201 | $236 | $323 | 100% |
Was the price fair?
All price verdicts left with reviews.
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (35%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume.
Reliability (15%) — How rarely jobs go badly: share of 1–2★ reviews in the last 24 months (fewer = better).
Craft & service (20%) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — net praise per review.
Value (10%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights.
Momentum (8%) — Last 12 months vs lifetime average — improving or slipping.
Track record (7%) — Review volume and years with reviews.
Accountability (5%) — Owner replies to 1–3★ reviews.